Gems, Jewelry, and Precious Metals
Showing 1929 products
![[Used] K18WG SAPPHIRE/AQUAMARINE RING S0.55ct AQ1.13ct D0.50ct 4.9g #14](http://koufuku.jp/cdn/shop/files/2000000064413_2.jpg?v=1771814676&width=480)
![[Used] K18YG DIAMOND RING D0.51ct 6.6g #8](http://koufuku.jp/cdn/shop/files/2000000131443_2.jpg?v=1771814764&width=480)
![[Used] K18YG DIAMOND RING D0.15ct 7.0g #14.5](http://koufuku.jp/cdn/shop/files/2000000131412_2.jpg?v=1771814763&width=480)
![[Used] K18YG Diamond Ring D1.51ct 10.7g #12](http://koufuku.jp/cdn/shop/files/2000000121383_2.jpg?v=1771814764&width=480)
![[Used] K18YG MULTI COLOR STONE RING Emerald/Ruby/Sapphire/Diamond Ring 0.53ct WS0.39ct 4.4g #12](http://koufuku.jp/cdn/shop/files/2000000131566_2.jpg?v=1771814766&width=480)
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![[Used] PT900 EMERALD RING Emerald V-Line Ring E0.80ct D0.29ct 5.9g #12](http://koufuku.jp/cdn/shop/files/2000000121369_2.jpg?v=1771814766&width=480)
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![[Used] K14YG DIAMOND RING 5.5g #14](http://koufuku.jp/cdn/shop/files/2000000131580_2.jpg?v=1771814766&width=480)
![[Used] K18YG DIAMOND RING D0.35ct 5.5g #10](http://koufuku.jp/cdn/shop/files/2000000131634_2.jpg?v=1771814785&width=480)
![[Used] PT900 DIAMOND RING Diamond Ring 0.50ct D0.268ct 9.1g #12](http://koufuku.jp/cdn/shop/files/2000000121444_2.jpg?v=1771814787&width=480)
![[Used] K18YG/K18WG DIAMOND RING D0.69ct 9.4g #20](http://koufuku.jp/cdn/shop/files/2000000052571_2.jpg?v=1771814805&width=480)
![[Used] MIKIMOTO K18YG Akoya Pearl Necklace 10.2g BOX ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000074726_2.jpg?v=1771814805&width=480)
![[Used] K18YG RUBY RING Ruby Ring R0.70ct WS1.7ct 5.5g #11](http://koufuku.jp/cdn/shop/files/2000000052595_2.jpg?v=1771814806&width=480)
KOUFUKU is an e-commerce site that offers a wide range of products, including jewelry, precious metals, designer bags, designer watches, designer apparel, and tableware. In addition to retail sales, we also provide purchase services.
![[Pre-owned] MITSUKOSHI K18YG Ruby & Diamond Ring R0.79ct D0.82ct 7.8g #12.5](http://koufuku.jp/cdn/shop/files/2000000145907_2.jpg?v=1788151913&width=480)
![[Used] PT900 NO HEAT SAPPHIRE RING Sri Lankan Unheated Sapphire Ring S5.40ct D1.19ct GIA Certificate 10.4g #11.5](http://koufuku.jp/cdn/shop/files/2000000133799_3.jpg?v=1777881348&width=480)
![Used] K18YG ENAMEL PENDANT NECKLACE 13.4g](http://koufuku.jp/cdn/shop/files/2000000134116_2.jpg?v=1778489330&width=480)